/* Generic task switch macro wrapper.
 *
 * It should be possible to use these on really simple architectures,
 * but it serves more as a starting point for new ports.
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */
#ifndef ASM_GENERIC_SWITCH_TO_H
#define ASM_GENERIC_SWITCH_TO_H

#include <seminix/thread.h>

/*
 * Context switching is now performed out-of-line in switch_to.S
 */
extern struct tcb *__switch_to(struct tcb *,
                       struct tcb *);

#define switch_to(prev, next, last)					\
    do {								\
        ((last) = __switch_to((prev), (next)));			\
    } while (0)

#endif /* !ASM_GENERIC_SWITCH_TO_H */
